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Impleemnt asr64, ror64

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This commit is contained in:
Liam 2022-11-13 14:48:58 -05:00
parent 92ef9a7276
commit 3f0c0c7b09
1 changed files with 34 additions and 8 deletions
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42
src/dynarmic/backend/arm64/emit_arm64_data_processing.cpp
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@ -620,10 +620,23 @@ void EmitIR<IR::Opcode::ArithmeticShiftRight32>(oaknut::CodeGenerator& code, Emi
template<>
void EmitIR<IR::Opcode::ArithmeticShiftRight64>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) {
(void)code;
(void)ctx;
(void)inst;
ASSERT_FALSE("Unimplemented");
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
auto& operand_arg = args[0];
auto& shift_arg = args[1];
if (shift_arg.IsImmediate()) {
const u8 shift = shift_arg.GetImmediateU8();
auto Xresult = ctx.reg_alloc.WriteX(inst);
auto Xoperand = ctx.reg_alloc.ReadX(operand_arg);
RegAlloc::Realize(Xresult, Xoperand);
code.ASR(Xresult, Xoperand, shift <= 63 ? shift : 63);
} else {
auto Xresult = ctx.reg_alloc.WriteX(inst);
auto Xoperand = ctx.reg_alloc.ReadX(operand_arg);
auto Xshift = ctx.reg_alloc.ReadX(shift_arg);
RegAlloc::Realize(Xresult, Xoperand, Xshift);
code.ASR(Xresult, Xoperand, Xshift);
}
}
template<>
@ -694,10 +707,23 @@ void EmitIR<IR::Opcode::RotateRight32>(oaknut::CodeGenerator& code, EmitContext&
template<>
void EmitIR<IR::Opcode::RotateRight64>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) {
(void)code;
(void)ctx;
(void)inst;
ASSERT_FALSE("Unimplemented");
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
auto& operand_arg = args[0];
auto& shift_arg = args[1];
if (shift_arg.IsImmediate()) {
const u8 shift = shift_arg.GetImmediateU8();
auto Xresult = ctx.reg_alloc.WriteX(inst);
auto Xoperand = ctx.reg_alloc.ReadX(operand_arg);
RegAlloc::Realize(Xresult, Xoperand);
code.ROR(Xresult, Xoperand, shift);
} else {
auto Xresult = ctx.reg_alloc.WriteX(inst);
auto Xoperand = ctx.reg_alloc.ReadX(operand_arg);
auto Xshift = ctx.reg_alloc.ReadX(shift_arg);
RegAlloc::Realize(Xresult, Xoperand, Xshift);
code.ROR(Xresult, Xoperand, Xshift);
}
}
template<>